- Hormones are chemical messengers used in the body by the endocrine system.
- They co-ordinate our organs.
- Hormones are produced by glands.
Hormone controls
- Hormones travel slower than nerve impulses but have a longer lasting effect.
- They are excreted by the glands and travel in the blood.
- Hormones stabilise the body's internal environment and also have roles in growth and sexual development.
Hormones control:
- Growth
- Sexual development
- Sugar levels
- Mood
- Metabolism
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